Publication
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Three new species of Secotiaceae from Patagonia Article
Persoonia - Molecular Phylogeny and Evolution of Fungi, 1(3), 385-391.January 1960
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Das heutige Ems-Estuarium mid dem Dollart und dem Umgebenden Wattgebiet Article
Bijdragen tot de dierkunde, 30(1), 5-7.January 1960
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Notes on marine fishes from the Netherlands Antilles, with the description of a new species, Eutyx tumidifrons (Brotulidae) Article
Zoologische Mededelingen, 37(2), 11-16.January 1960
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Ostracoden Biocoenosen und Thanatocoenosen im Ems-Estuarium (N.O. Niederlande) Article
Bijdragen tot de dierkunde, 30(1), 81-90.January 1960
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Ökologische Schlussfolgerungen Article
Bijdragen tot de dierkunde, 30(1), 139-144.January 1960
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Loganiaceae Article
Flora Malesiana - Series 1, Spermatophyta, 6(1), 293-387.January 1960
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Index to scientific plant names Article
Flora Malesiana - Series 1, Spermatophyta, 6(1), 985-1023.January 1960
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Najadaceae Article
Flora Malesiana - Series 1, Spermatophyta, 6(1), 157-171.January 1960